Managing Databases with Oracle Which SQL phrase is not supported by Oracle? ON DELETE CASCADE ON UPDATE CASCADE CREATE SEQUENCE [SequenceName] DROP SEQUENCE [SequenceName] ON DELETE CASCADE ON UPDATE CASCADE CREATE SEQUENCE [SequenceName] DROP SEQUENCE [SequenceName] ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is not true about indexes? Indexes are created to enforce uniqueness on columns. Indexes are created with the ALTER TABLE command. Indexes are created to enable fast retrieval by column values. Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes. Indexes are created to enforce uniqueness on columns. Indexes are created with the ALTER TABLE command. Indexes are created to enable fast retrieval by column values. Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle directly supports the definition of surrogate keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Indexes are created to enforce uniqueness on columns and to enable fast retrieval by column values. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle maintains a System Change Number (SCN) which is a database-wide value that is incremented by Oracle whenever database changes are made. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Sequences guarantee valid surrogate key values. False True False True ANSWER DOWNLOAD EXAMIANS APP
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